Effect of intrathecal hyperbaric bupivacaine with small dose clonidine versus hyperbaric bupivacaine alone in lower abdominal surgeries: A comparative study

The continued success of regional anesthetic techniques can be credited due to improved local anesthetic drugs, with lower toxicities and longer duration of action, but still many efforts are being done to increase the duration of the block and postoperative analgesia. Therefore, use of adjuvant drugs for anesthesia is intended to prolong analgesia and preventing deleterious clinical effects of local anesthetics